Product Details | DIAL INDICATING DIFFERENTIAL GAGE

6685-00-020-5058 An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive element(s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.

Part Alternates: CU2021Y, CU2021Y10625, 1685106251, 1685-106251, 1685LBM4 1-2, 1685LBM412, 6685-00-020-5058, 00-020-5058, 6685000205058, 000205058

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 02 MAY 1967 00-020-5058

Cross Reference | NSN 6685-00-020-5058

Part Number Cage Code Manufacturer
1685-106251 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE
1685LBM4 1-2 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE
CU2021Y 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE
CU2021Y10625 61349 AMETEK, INC. DIV AEROSPACE & DEFENSE

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Technical Data | NSN 6685-00-020-5058

Characteristic Specifications
ACTUATION TYPE DOUBLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL BERYLLIUM COPPER
SCALE TYPE SINGLE
SCALE NAME PRESSURE
SCALE RANGE 0.000 TO 2000.000 POUNDS PER SQUARE INCH
SCALE ACCURACY 1 PCT ENTIRE RANGE
GRADUATION UNIT 200.000 POUNDS
SCALE SMALLEST INCREMENT 20.0 POUNDS
SCALE INSCRIPTION/BACKGROUND COLOR WHITE FIGURES ON BLACK
DIAL SIZE 4-1/2 IN. DIA
SCALE MARKING NO DIAL MARKING
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR WHITE
CASE MATERIAL PLASTIC
CASE SURFACE TREATMENT ENAMEL
OVERALL DIAMETER 5.813 INCHES NOMINAL
OVERALL DEPTH 4.063 INCHES NOMINAL
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 2
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BACK
CONNECTION SIZE 0.250 IN. NPT
MOUNTING METHOD SURFACE WALL
BOLT CIRCLE DIAMETER 5.375 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.219 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY SINGLE READING SCALE
MANUFACTURERS CODE 61349
DESIGN CONTROL REFERENCE 1685LBM4 1-2

Restrictions/Controls & Freight Information | NSN 6685-00-020-5058

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 121570 GAGES AIR LIQUID LEVEL PRESSURE
Less than car load rating J 100.2
Less than truck load rating J 100.2
Water commodity Code 651 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Q Extremely fragile items including delicate instruments.
Special Handling Code Q unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6685-00-020-5058

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each